<template>
  <el-container class="homeContainer">
    <!--    页面头部区域-->
    <el-header>
      <div>
        <img src="../assets/zz.png" alt="电商后台管理系统">
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="login_out">退出</el-button>
    </el-header>
    <!--    页面主体区域-->
    <el-container>
      <!--      主体侧边栏区域-->
      <el-aside :width="isCollapse ? '64px' : '200px' ">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!--        只保持一个子菜单的展开  unique-opened    :unique-opened='true'-->
        <el-menu background-color="#333744" text-color="#fff" active-text-color="#409EFF" unique-opened
                 :collapse="isCollapse" :collapse-transition="false" router :default-active="$route.path">
          <!--            一级菜单-->
          <el-submenu :index="item.id + '' " v-for="item in menusList" :key="item.id">
            <!--              一级菜单模板-->
            <template slot="title">
              <!--                图标-->
              <i :class="iconsObj[item.id]"></i>
              <!--                文本-->
              <span>{{ item.authName }}</span>
            </template>
            <!--              二级菜单-->
            <el-menu-item :index=" '/' + subItem.path + '' " v-for="subItem in item.children" :key="subItem.id">
              <template slot="title">
                <!--                图标-->
                <i class="iconfont icon-yingyongchangjing"></i>
                <!--                文本-->
                <span>{{ subItem.authName }}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!--      主体右侧区域-->
      <el-main>
        <!--        路由占位符-->
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>
</template>

<script>
export default {
  name: 'Home',
  data () {
    return {
      menusList: [],
      iconsObj: {
        125: 'iconfont icon-user',
        103: 'iconfont icon-qukuai',
        101: 'iconfont icon-shangpin',
        102: 'iconfont icon-dingdan',
        145: 'iconfont icon-shuju2'
      },
      isCollapse: false
    }
  },
  created () {
    this.getMenuList()
  },
  methods: {
    login_out () {
      window.sessionStorage.clear()
      this.$router.push('/login')
    },
    async getMenuList () {
      const { data: res } = await this.$http.get('menus')
      if (res.meta.status !== 200) return this.$message.error(res.meta.msg)
      this.menusList = res.data
      console.log(res)
    },
    toggleCollapse () {
      this.isCollapse = !this.isCollapse
    }
  }
}
</script>

<style Lang="less" scoped>
.homeContainer {
  height: 100%;
}

.el-header {
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  font-size: 20px;
  align-items: center;
  background-color: #373d41;
  color: #7fffd4;
}

.el-header > div {
  display: flex;
  align-items: center;
}

.el-header > div > span {
  margin-left: 10px;
}

.el-aside {
  background-color: #333744;
}

.el-menu {
  border-right: none
}

.el-main {
  background-color: #fff;
}

.iconfont {
  margin-right: 10px;
}

.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>
